The Magnetic Circuit in Theory and PracticeLongmans, 1896 - 362 páginas |
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Página 54
... complete circuit of the annular space , but with the completion of each circuit the integral increases by a constant , which is independent of the position of the curve within the ring so long as no part lies in the external space in ...
... complete circuit of the annular space , but with the completion of each circuit the integral increases by a constant , which is independent of the position of the curve within the ring so long as no part lies in the external space in ...
Página 65
... of integration by parts to each term of the above integral separately , putting in the first term , for example , a Iz = - 1 03 , da до дх F and if we use these transformations for the complete triple Faraday's Lines of Force.
... of integration by parts to each term of the above integral separately , putting in the first term , for example , a Iz = - 1 03 , da до дх F and if we use these transformations for the complete triple Faraday's Lines of Force.
Página 66
H. Du Bois. and if we use these transformations for the complete triple in- tegral , we obtain finally ( 21 ) · r = SS 3x dy dz + 3 , dz dx + I , dx dy Ix - SSS ; ( 3 3 +34 +33 ; ) dx dy dz მ ყ the double integral being extended over ...
H. Du Bois. and if we use these transformations for the complete triple in- tegral , we obtain finally ( 21 ) · r = SS 3x dy dz + 3 , dz dx + I , dx dy Ix - SSS ; ( 3 3 +34 +33 ; ) dx dy dz მ ყ the double integral being extended over ...
Página 68
... complete . On the other hand , if this is not the case , the second term of equation ( I ) , which is due to the distribution within the magnet , may be considered as analogous to the first , the expression r dx dy dz = ― d Iz да 20 + a ...
... complete . On the other hand , if this is not the case , the second term of equation ( I ) , which is due to the distribution within the magnet , may be considered as analogous to the first , the expression r dx dy dz = ― d Iz да 20 + a ...
Página 73
... complete theory of ferromagnetic induction has been for- mulated , wherein hysteresis is taken into account ; and indeed the investigation would be beset with difficulties . We accord- ingly make the restriction already explained above ...
... complete theory of ferromagnetic induction has been for- mulated , wherein hysteresis is taken into account ; and indeed the investigation would be beset with difficulties . We accord- ingly make the restriction already explained above ...
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Términos y frases comunes
abscissæ action air-gap already analogy approximately armature axis C.G.S. units chapter circumference component conductor consider considerable constant core corresponding cross-section Crown 8vo curve of magnetisation denote determined Diagrams direction discussed distance distribution dx dy dynamo machines electric electromagnetic electromotive force end-elements equal equation experimental experiments expression external ferromagnetic body ferromagnetic substance field-magnets flux of induction funct function further galvanometer given Hopkinson hysteresis integration investigation iron lamellar latter leakage leakage-coefficient lifting force line-integral lines of induction magnetic circuit magnetic field magnetic induction magnetic intensity magnetic potential magnetic reluctance magnetomotive force Maxwell mean measure method number of turns obtained Ohm's Ohm's law ordinates permeability permeance plane pole-pieces proportional quantity question radial represented resistance resultant induction ring secondary coil self-induction Silv slit solenoidal surface theoretical theory tion toroid transformers variable vector
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